Source : Webster's Revised Unabridged Dictionary (1913)

Pretorium \Pre*to"ri*um\, n. [L. praetorium, fr. praetor.]
   1. The general's tent in a Roman camp; hence, a council of
      war, because held in the general's tent.

   2. The official residence of a governor of a province; hence,
      a place; a splendid country seat.

Source : WordNet®

pretorium
     n : the tent of an ancient Roman general [syn: {praetorium}]